Home / 4,674,805.10-7,012,207.65-4,485,848.30

Finding the Fourth Proportional to 4,674,805.10, 7,012,207.65 and 4,485,848.30

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Solution

The fourth proportional to 4,674,805.10, 7,012,207.65 and 4,485,848.30 is: 6,728,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674,805.10 : 7,012,207.65 = 4,485,848.30 : x
  2. Step 2: Convert to fraction form
    4,674,805.10/7,012,207.65 = 4,485,848.30/x
  3. Step 3: Cross multiply
    4,674,805.10x = 7,012,207.65 × 4,485,848.30
  4. Step 4: Simplify right side
    4,674,805.10x = 31,455,699,765,999.50
  5. Step 5: Solve for x
    x = 31,455,699,765,999.50/4,674,805.10
  6. Step 6: Final answer
    x = 6,728,772.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.